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68880802 = 234440401
BaseRepresentation
bin1000001101100…
…00100110100010
311210121111200211
410012300212202
5120113141202
610500204334
71464322444
oct406604642
9153544624
1068880802
1135977191
121b0996aa
1311369293
149210494
1560a91d7
hex41b09a2

68880802 has 4 divisors (see below), whose sum is σ = 103321206. Its totient is φ = 34440400.

The previous prime is 68880751. The next prime is 68880839. The reversal of 68880802 is 20808886.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50140561 + 18740241 = 7081^2 + 4329^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17220199 + ... + 17220202.

Almost surely, 268880802 is an apocalyptic number.

68880802 is a deficient number, since it is larger than the sum of its proper divisors (34440404).

68880802 is a wasteful number, since it uses less digits than its factorization.

68880802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34440403.

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 68880802 is about 8299.4458851179. The cubic root of 68880802 is about 409.9202740082.

The spelling of 68880802 in words is "sixty-eight million, eight hundred eighty thousand, eight hundred two".

Divisors: 1 2 34440401 68880802